Cancer treatment

Associated Press

This undated photo provided by the Los Angeles Zoo shows veterinary staff at the zoo treating Randa, an Indian rhinoceros at the Los Angeles Zoo, for skin cancer under the horn with a breakthrough cancer treatment designed to deliver electronic, X-ray based therapy directly to cancer sites with minimal radiation exposure to surrounding healthy tissue.

This undated photo provided by the Los Angeles Zoo shows veterinary staff at the zoo treating Randa, an Indian rhinoceros at the Los Angeles Zoo, for skin cancer under the horn with a breakthrough cancer treatment designed to deliver electronic, X-ray based therapy directly to cancer sites with minimal radiation exposure to surrounding healthy tissue. (Associated Press)

This undated photo provided by the Los Angeles Zoo shows veterinary staff at the zoo treating Randa, an Indian rhinoceros at the Los Angeles Zoo, for skin cancer under the horn with a breakthrough cancer treatment designed to deliver electronic, X-ray based therapy directly to cancer sites with minimal radiation exposure to surrounding healthy tissue.